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You need to generate a list of all customer last names with their credit limits from the CUSTOMERS table. Those customers who do not have a credit limit should appear last in the list. Which two queries would achieve the required result?（）
A . SELECT cust_last_name, cust_credit_limit FROM customers ORDER BY cust_credit_limit DESC
B . SELECT cust_last_name, cust_credit_limit FROM customers ORDER BY cust_credit_limit
C . SELECT cust_last_name, cust_credit_limit FROM customers ORDER BY cust_credit_limit NULLS LAST
D . SELECT cust_last_name, cust_credit_limit FROM customers ORDER BY cust_last_name, cust_credit_limit NULLSLAST
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Evaluate these two SQL statements: SELECT last_name, salary , hire_date FROM EMPLOYEES ORDER BY salary DESC; SELECT last_name, salary, hire_date FROM EMPLOYEES ORDER BY 2 DESC; What is true about them? （）
A . The two statements produce identical results.
B . The second statement returns a syntax error.
C . There is no need to specify DESC because the results are sorted in descending order by default.
D . The two statements can be made to produce identical results by adding a column alias for the salary column in the second SQL statement.
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What can be learned from the last paragraph?
A . Immigration issues are usually decided by Congress.
B . Justices intended to check the power of the Administrstion.
C . Justices wanted to strengthen its coordination with Congress.
D . The Administration is dominant over immigration issues.
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The Great Civil War,as it became known,lasted from（）until 1646.
A . 1639
B . 1640
C . 1641
D . 1642
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What do we leam about Ana Castro from the last paragraph?
A . She will be deported sooner or later．
B . She is allowed to stay permanently．
C . Her case has been dropped．
D . Her fate remains uncertain．
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From the last two paragraphs we can learn that when we arrive in America to visit an American friend, we will probably be _____.
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From the last paragraph we learn that ________.
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The last part of this essay can be divided into two sections.
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Which of the two states are the last two states to join the union?
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What can be inferred from the second sentence of the last paragraph？
A．Energy parks will be built upon previously undeveloped sites.
B．Energy parks will be built in areas remote from major population centers.
C．Energy parks can be built in a concentrated place to serve a big city.
D．Energy parks will be built at sites that are near fuel sources such as coal.
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From the last paragraph, we know that______.
A．some artists' paintings were beautiful, so they were masterpieces
B．only art experts could judge they were masterpieces or not, though ugly
C．the artists mentioned above were not really art masters.
D．some of them were art masters, while others were not.
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From the last two paragraphs we can learn that______.
A．the only way to make changes in the country is to vote
B．to vote is in fact a fight to play a part in the country
C．even if the candidates you support aren't elected, they've still lent you a hand
D．a single vote makes no sense
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The first two items we must discuss are those which were _____ from the last meeting（）
A．handed over
B．handed round
C．held on
D．held out
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None Of the Americans who donates a kidney during the period lasting from 1994 to 1998 died from the procedure.
A．Right
B．Wrong
C．Not mentioned
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听力原文：Today is the last day of this term, I have two exams. So I worked for two hours last night, half on mathematics, half on psychology.
(26)
A．I spent an hour each on psychology and mathematics.
B．I studied mathematics twice as long as psychology.
C．I worked for four hours last night.
D．I studied for all but two hours last night.
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From the conversation, we can learn that at last David
A．returned the ticket the next day.
B．got a voucher for a free flight.
C．took the flight without delay.
D．made an official complaint about poor service.
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From the last paragraph we learn_____.
A．direct advertising is the best way to promote a product
B．companies are trying to find the best way to sell their products
C．advertising is becoming enriched by the research in this area
D．old ways of advertising is giving ways to new ways of doing it
此题为多项选择题。
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From the last paragraph we can infer that most Americans
A．are more liable to spend than to save.
B．are optimistic about the national economy.
C．spend a lot of money on the "standard package".
D．have not recognized their children"s involvement in household purchases.
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You need to generate a list of all customer last names with their credit limits from the CUSTOMERS table. Those customers who do not have a credit limit should appear last in the list. Which two queri
A．SELECT？cust_last_name,？cust_credit_limit？FROM？customers？ORDER？BY？cust_credit_limit？DESC
B．SELECT？cust_last_name,？cust_credit_limit？FROM？customers？ORDER？BY？cust_credit_limit
C．SELECT？cust_last_name,？cust_credit_limit？FROM？customers？ORDER？BY？cust_credit_limit？NULLS？LAST
D．SELECT？cust_last_name,？cust_credit_limit？FROM？customers？ORDER？BY？cust_last_name,？cust_credit_limit？NULLSLAST
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It could be inferred from the last paragraph that
A．culture exercises an influence over social interrelationship.
B．courteous convention and individual interest are interrelated.
C．various virtues manifest themselves exclusively among friends.
D．social interrelationships equal the complex set of cultural conventions.
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What can we infer from the last sentence of this passage？
A．There is no difference between science fiction and any other story or novel.
B．Reader should enjoy science fiction and any other story or novel together.
C．Science fiction and any other story or novels are equal to each other.
D．If a person can appreciate prose fiction, she or he can appreciate science fiction as well.
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Only two countries in the advanced world provide no guarantee for paid leave from work to care for a newborn child. Last spring one of the two, Australia, gave up the dubious distinction by establishing paid family leave starting in 2011. I wasn't surprised when this didn't make the news here in the United States—we're now the only wealthy country without such a policy.
The United States does have one explicit family policy, the Family and Medical Leave Act, passed in 1993. It entitles workers to as much as 12 weeks' unpaid leave for care of a newborn or dealing with a family medical problem. Despite the modesty of the benefit, the Chamber of Commerce and other business groups fought it bitterly, describing it as "government-run personnel management" and a "dangerous precedent". In fact, every step of the way, as (usually) Democratic leaders have tried to introduce work-family balance measures into the law, business groups have been strongly opposed.
As Yale law professor Anne Alstott argues, justifying parental support depends on defining the family as a social good that, in some sense, society must pay for. In her book No Exit: What Parents Owe Their Children and What Society Owes Parents, she argues that parents are burdened in many ways in their lives: there is "no exit" when it comes to children. "Society expects—and needs—parents to provide their children with continuity of care, meaning the intensive, intimate care that human beings need to develop their intellectual, emotional and moral capabilities. And society expects—and needs—parents to persist in their roles for 18 years, or longer if needed."
While most parents do this out of love, there are public penalties for not providing care. What parents do, in other words, is of deep concern to the state, for the obvious reason that caring for children is not only morally urgent but essential for the future of society. The state recognizes this in the large body of family laws that govern children' welfare, yet parents receive little help in meeting the life-changing obligations society imposes. To classify parenting as a personal choice for which there is no collective responsibility is not merely to ignore the social benefits of good parenting; really, it is to steal those benefits because they accrue (不断积累) to the whole of society as today's children become tomorrow's productive citizenry (公民). In fact, by some estimates, the value of parental investments in children, investments of time and money (including lost wages), is equal to 20-30% of gross domestic product. If these investments generate huge social benefits—as they clearly do—the benefits of providing more social support for the family should be that much clearer.
注意：此部分试题请在答题卡2上作答。
What do we learn about paid family leave from the first paragraph？
A．America is now the only developed country without the policy.
B．It has now become a hot topic in the United States.
C．It came as a surprise when Australia adopted the policy.
D．Its meaning was clarified when it was established in Australia.
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We can infer from the Last paragraph that ______.
A．smokers should not expect to become airline pilots
B．smoking in emergency cases causes mental illness
C．no airline pilots smoke during flights
D．smokers may prove unequal to handling emergency cases
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Thompson Products has seen its marginal tax rate increase from 28% to 34% over the last two years and believes the change is permanent. The effects of this change on Thompsons current WACC and on its
A、Increase in both.
B、Decrease in both.
C、Increase in one and a decrease in the other.
